STW POWSTAR vs Zero Note
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STW POWSTAR
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STW Power provides a solution for users to rent a mobile power bank. Using the APP to rent a mobile power bank anytime, anywhere, makes charging easier, without worrying that the phone does not have enough power. And this APP has a simple interface and low rental prices.
Zero Note
Securely share encrypted notes that automatically disappear after being read or based on custom rules. Options include self-destruction by views or time, location-based access control, and email notifications upon opening. Access notes from any device via a keyboard extension.
- Self-destruct by views
- Self-destruct by time
- Location-based access control
- Email notifications on opening
- Keyboard extension access
- Audit trail
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Zero note: Self-destruct shareable encrypted notes Think of it's a way to share one time secrets, one time confidential notes with others that disappears after its been read or based on your self-destruct rules. A secure way to share a private encrypted note that self-destruct automatically based on your own terms: 1. Self-destruct by views 2. Self-destruct by time 3. Whitelist by location, country or anywhere 4. Get notified by email when it is opened by the recipient 5. Accèss Zero Note from anywhere using the keyboard extension. 6. Audit Trail note when it was first seen and last seen.
Screenshots
Verdict
The clearest difference is in-app purchases: STW POWSTAR at none against Zero Note's 2. STW POWSTAR also leads on iOS requirement (15.6 vs 18.0). Zero Note's advantage is update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Zero Note sells 2 one-off in-app purchases. STW POWSTAR asks for nothing beyond the download.
STW POWSTAR ships an update every 2 months, Zero Note every 3 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.
| Parameter | STW POWSTAR | Zero Note |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 59 MB | 13 MB |
| Age rating | 9+ | 17+ |
| Developer | Shenzhen Zhongxinli Electronic Technology Co., Ltd. | Pradeep Burugu |
In-app purchases
STW POWSTAR
No in-app purchases
Zero Note
- Zero Note Lifetime Basic$9.99
- Zero Note Lifetime Pro$12.99
